245457269 has 2 divisors, whose sum is σ = 245457270. Its totient is φ = 245457268.

The previous prime is 245457259. The next prime is 245457293. The reversal of 245457269 is 962754542.

245457269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233692369 + 11764900 = 15287^2 + 3430^2 .

It is a cyclic number.

It is not a de Polignac number, because 245457269 - 2⁸ = 245457013 is a prime.

It is a super-2 number, since 2×245457269² = 120498541809876722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245457259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122728634 + 122728635.

It is an arithmetic number, because the mean of its divisors is an integer number (122728635).

Almost surely, 2^245457269 is an apocalyptic number.

It is an amenable number.

245457269 is a deficient number, since it is larger than the sum of its proper divisors (1).

245457269 is an equidigital number, since it uses as much as digits as its factorization.

245457269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 44.

The square root of 245457269 is about 15667.0759556466. The cubic root of 245457269 is about 626.1215225092.

The spelling of 245457269 in words is "two hundred forty-five million, four hundred fifty-seven thousand, two hundred sixty-nine".